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343 Views 3 Replies Last post: Dec 23, 2013 12:44 PM by Dan RSS
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Dec 22, 2013 11:53 AM

Fossil nut inside fossil wood?

Hi,   I found this in Ossett, West Yorkshire, UK and it comes from the carboniferous clay formation.

 

 

 

To me, it looks like a nut inside fossil wood.  What do you think?

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    Dec 22, 2013 3:38 PM (in response to Dan)
    Re: Fossil nut inside fossil wood?

    Dan,

     

    I think the marks on the outside suggest wood, perhaps a mould (the real thing being absent). I don't think the overall lump is a piece of wood (though you can see all round it better than I can, of course).

     

    The loose/loosish thing inside: I believe that is an internal mould of a nut (such as Trigonocarpus). The nut itself is still present, and we can see a striated internal structure to it. Quite why there is a gap between the inside of the nut's shell and the internal mould, I don't really know; I suspect the gap was originally softer tissues which did not get preserved. But it also looks like the mould has been worn-back somewhat.

     

    Mike

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